Shock absorber for Bmw 6 Series E63 Coupé and E64 Cabriolet (02/2004-07/2010)

Knock sensor for Bmw 6 Series :

Bmw E63 :

- 630i 6 cyl 258hp from 02/2004 to 07/2007 (engine code n52b30a)
- 630i 6 cyl 272hp from 04/2006 to 07/2010 (engine code n53b30a)
- 630i 6 cyl 258hp from 05/2006 to 07/2010 (engine code n52b30n)

Bmw E64 :

- 630i 6 cyl 258hp from 03/2004 to 07/2007 (engine code n52b30a)
- 630i 6 cyl 272hp from 04/2006 to 07/2010 (engine code n53b30a)
- 630i 6 cyl 258hp from 05/2006 to 07/2010 (engine code n52b30n)

Also known as knock sensor , it is used to adjust ignition timing.

One sensor required per vehicle.